3 Questions 592 Answers 0 Followers
Questions related from Issam Kaddoura
Given that N is a non cubic integer and x, y and z are integers, what is the general solution of x^3 + Ny^3 = z^3? Using Fermat's proof, it is well- known that, if N is non zero cubic...
12 June 2019 7,075 85 View
If A commutes with B, the problem is trivial, where we can determine the eigenvalues of A + B by adding the eigenvalues of A and the eigenvalues of B that are corresponding to the same...
28 March 2019 5,106 11 View
A square matrix such that A=A² is called an idempotent matrix. Here are some well-known results about idempotent matrices. (1) If A is idempotent, then I - A and A^(T) are idempotent...
22 April 2018 4,190 15 View
